AS39521 140.150.152.0/21 CIDR and IP Range Summary.ASN: 39521 - TNGNET B.V.Host Count: 2046Addressable IPs: 2048140.150.152.0/24140.150.153.0/24140.150.154.0/24140.150.155.0/24140.150.156.0/24140.150.157.0/24140.150.158.0/24140.150.159.0/24